Device for removing downhole deposits utilizing tubular housing

Details Device for removing downhole deposits utilizing tubular housing Device for removing downhole deposits utilizing tubular housing

1995-12-12

1997-04-08

Jeffery, John A.

Electric resistance heating devices

Heating devices

Fluid-in-circuit type heater

392311, 392302, 166 60, E21B 4324

Patent

active

056196113

ABSTRACT:
A device for removing deposits such as asphalt, hydrates, and paraffins from petroleum and natural gas production strings and pipelines include a tubular housing divided into a heating section at a forward end and a ballast section at a rear end, the heating section containing an electrically conducting heating medium and an electrode, and the part of the housing forming the heating section is made of an electrically conducting material, the electrode being connected to one pole of an electrical power supply and the part of the housing forming the heating section being connected to another pole of the electrical power supply, so that the heating medium and the heating section are heated by the power supply.

REFERENCES:
patent: 522737 (1894-07-01), Lucock
patent: 556524 (1896-03-01), Williamson et al.
patent: 884424 (1908-04-01), Seymour et al.
patent: 5142608 (1992-08-01), Meshekow

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